From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
To: Alex Williamson <alex.williamson@redhat.com>,
Cornelia Huck <cohuck@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH][next] vfio/type1: Use struct_size() helper
Date: Thu, 18 Jun 2020 14:21:34 -0500 [thread overview]
Message-ID: <20200618192134.GA30734@embeddedor> (raw)
Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes.
This code was detected with the help of Coccinelle and, audited and
fixed manually.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
drivers/vfio/vfio_iommu_type1.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 5e556ac9102a..b7e71e10a169 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -2493,7 +2493,7 @@ static int vfio_iommu_iova_build_caps(struct vfio_iommu *iommu,
return 0;
}
- size = sizeof(*cap_iovas) + (iovas * sizeof(*cap_iovas->iova_ranges));
+ size = struct_size(cap_iovas, iova_ranges, iovas);
cap_iovas = kzalloc(size, GFP_KERNEL);
if (!cap_iovas)
--
2.27.0
reply other threads:[~2020-06-18 19:16 UTC|newest]
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